[  745.487629][T14441] netdevsim netdevsim493 eni493np1: renamed from eth0
[  745.495001][T14443] netdevsim netdevsim707 eni707np1: renamed from eth1
[  746.172052][T14429] Could not find device with ifindex 2000 in netnsfd 11
[  746.173103][T14429] Could not find netns with fd: 2000
[  746.173915][T14429] Cannot link a netdevsim to itself
[  746.174354][T14429] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).